Some dev distries increase eth1, eth2, eth3, ... on every boot. Typicaly have no network, but can see it with "cat /proc/net/dev". As workarrount set an unique MAC address for all network interfaces in config file. Or disable udev.

Debian: Remove all entries from /etc/udev/rules.d/z25_persistent-net.rules

Locate for tool "colinux-xml2cfg", a XML to CFG converter for coLinux on SF or here

The file initrd contains no modules. Modules are only in the file vmlinux-modules.tar.gz. The initrd extracts modules over device cofs31 automaticly, if you configure it as initrd=initrd.gz in config file. After modules are installed, you can remove the initrd from config.

Gentoo users need to be careful, Gentoo tends to use devfs when upgrading from 0.6.1 and so block device names change from cobdX to cobd/X and render the image unbootable. For more details and solutions see the 2.6 related information on the Wiki.